Anthony,Piers. <br/><br/>
Orc's opal /  
Piers Anthony and Robert E. Margroff. 
 - New York :  Tor Books,   1990. 
 - 316 p.;  18 cm. 
<br/><br/><label>ISBN: </label>0812511778 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fantasy fiction
<br/><br/><label>LC Class. No.: </label>PS3551.A58